Re: [PATCH] [v2] scsi: ips: fix firmware timestamps for 32-bit

From: Martin K. Petersen
Date: Fri Apr 20 2018 - 19:38:27 EST


> do_gettimeofday() is deprecated since it will stop working in 2038 on
> 32-bit platforms, leading to incorrect times passed to the firmware.
> On 64-bit platforms the current code appears to be fine, as the
> calculation passes an 8-bit century number into the firmware that can
> represent times long in the future (possibly until 25599).
> Using ktime_get_real_seconds() to get a 64-bit seconds value and
> time64_to_tm() to convert it into the firmware format greatly
> simplifies the ips timekeeping code, makes 32-bit and 64-bit behave
> the same way here, and gets us closer to removing the deprecated
> interfaces.

Applied to 4.18/scsi-queue, thanks!

Martin K. Petersen Oracle Linux Engineering